1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1980, 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 34 __FBSDID("$FreeBSD$"); 35 36 #ifdef lint 37 static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93"; 38 #endif 39 40 /* From: 41 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp" 42 */ 43 44 #ifdef INET6 45 #include <sys/param.h> 46 #include <sys/types.h> 47 #include <sys/socket.h> 48 #include <sys/sysctl.h> 49 50 #include <netinet/in.h> 51 #include <netinet/in_systm.h> 52 #include <netinet/ip.h> 53 #include <netinet6/ip6_var.h> 54 55 #include <inttypes.h> 56 #include <stdlib.h> 57 #include <string.h> 58 #include <paths.h> 59 60 #include "systat.h" 61 #include "extern.h" 62 #include "mode.h" 63 64 static struct ip6stat curstat, initstat, oldstat; 65 66 /*- 67 --0 1 2 3 4 5 6 7 68 --0123456789012345678901234567890123456789012345678901234567890123456789012345 69 00 IPv6 Input IPv6 Output 70 019999999 total packets received 999999999 total packets sent 71 029999999 - too short for header 999999999 - generated locally 72 039999999 - too short for data 999999999 - output drops 73 049999999 - with invalid version 999999999 output fragments generated 74 059999999 total fragments received 999999999 - fragmentation failed 75 069999999 - fragments dropped 999999999 destinations unreachable 76 079999999 - fragments timed out 999999999 packets output via raw IP 77 089999999 - fragments overflown 78 099999999 - packets reassembled ok Input next-header histogram 79 109999999 packets forwarded 999999999 - destination options 80 119999999 - unreachable dests 999999999 - hop-by-hop options 81 129999999 - redirects generated 999999999 - IPv4 82 139999999 option errors 999999999 - TCP 83 149999999 unwanted multicasts 999999999 - UDP 84 159999999 delivered to upper layer 999999999 - IPv6 85 169999999 bad scope packets 999999999 - routing header 86 179999999 address selection failed 999999999 - fragmentation header 87 18 999999999 - ICMP6 88 19 999999999 - none 89 --0123456789012345678901234567890123456789012345678901234567890123456789012345 90 --0 1 2 3 4 5 6 7 91 */ 92 93 WINDOW * 94 openip6(void) 95 { 96 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 97 } 98 99 void 100 closeip6(WINDOW *w) 101 { 102 if (w == NULL) 103 return; 104 wclear(w); 105 wrefresh(w); 106 delwin(w); 107 } 108 109 void 110 labelip6(void) 111 { 112 wmove(wnd, 0, 0); wclrtoeol(wnd); 113 #define L(row, str) mvwprintw(wnd, row, 10, str) 114 #define R(row, str) mvwprintw(wnd, row, 45, str); 115 L(0, "IPv6 Input"); R(0, "IPv6 Output"); 116 L(1, "total packets received"); R(1, "total packets sent"); 117 L(2, "- too short for header"); R(2, "- generated locally"); 118 L(3, "- too short for data"); R(3, "- output drops"); 119 L(4, "- with invalid version"); R(4, "output fragments generated"); 120 L(5, "total fragments received"); R(5, "- fragmentation failed"); 121 L(6, "- fragments dropped"); R(6, "destinations unreachable"); 122 L(7, "- fragments timed out"); R(7, "packets output via raw IP"); 123 L(8, "- fragments overflown"); 124 L(9, "- packets reassembled ok"); R(9, "Input next-header histogram"); 125 L(10, "packets forwarded"); R(10, " - destination options"); 126 L(11, "- unreachable dests"); R(11, " - hop-by-hop options"); 127 L(12, "- redirects generated"); R(12, " - IPv4"); 128 L(13, "option errors"); R(13, " - TCP"); 129 L(14, "unwanted multicasts"); R(14, " - UDP"); 130 L(15, "delivered to upper layer"); R(15, " - IPv6"); 131 L(16, "bad scope packets"); R(16, " - routing header"); 132 L(17, "address selection failed"); R(17, " - fragmentation header"); 133 R(18, " - ICMP6"); 134 R(19, " - none"); 135 #undef L 136 #undef R 137 } 138 139 static void 140 domode(struct ip6stat *ret) 141 { 142 const struct ip6stat *sub; 143 int divisor = 1, i; 144 145 switch(currentmode) { 146 case display_RATE: 147 sub = &oldstat; 148 divisor = (delay > 1000000) ? delay / 1000000 : 1; 149 break; 150 case display_DELTA: 151 sub = &oldstat; 152 break; 153 case display_SINCE: 154 sub = &initstat; 155 break; 156 default: 157 *ret = curstat; 158 return; 159 } 160 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 161 DO(ip6s_total); 162 DO(ip6s_tooshort); 163 DO(ip6s_toosmall); 164 DO(ip6s_fragments); 165 DO(ip6s_fragdropped); 166 DO(ip6s_fragtimeout); 167 DO(ip6s_fragoverflow); 168 DO(ip6s_forward); 169 DO(ip6s_cantforward); 170 DO(ip6s_redirectsent); 171 DO(ip6s_delivered); 172 DO(ip6s_localout); 173 DO(ip6s_odropped); 174 DO(ip6s_reassembled); 175 DO(ip6s_fragmented); 176 DO(ip6s_ofragments); 177 DO(ip6s_cantfrag); 178 DO(ip6s_badoptions); 179 DO(ip6s_noroute); 180 DO(ip6s_badvers); 181 DO(ip6s_rawout); 182 DO(ip6s_notmember); 183 for (i = 0; i < 256; i++) 184 DO(ip6s_nxthist[i]); 185 DO(ip6s_badscope); 186 DO(ip6s_sources_none); 187 #undef DO 188 } 189 190 void 191 showip6(void) 192 { 193 struct ip6stat stats; 194 uint64_t totalout; 195 196 domode(&stats); 197 totalout = stats.ip6s_forward + stats.ip6s_localout; 198 199 #define DO(stat, row, col) \ 200 mvwprintw(wnd, row, col, "%9"PRIu64, stats.stat) 201 202 DO(ip6s_total, 1, 0); 203 mvwprintw(wnd, 1, 35, "%9"PRIu64, totalout); 204 DO(ip6s_tooshort, 2, 0); 205 DO(ip6s_localout, 2, 35); 206 DO(ip6s_toosmall, 3, 0); 207 DO(ip6s_odropped, 3, 35); 208 DO(ip6s_badvers, 4, 0); 209 DO(ip6s_ofragments, 4, 35); 210 DO(ip6s_fragments, 5, 0); 211 DO(ip6s_cantfrag, 5, 35); 212 DO(ip6s_fragdropped, 6, 0); 213 DO(ip6s_noroute, 6, 35); 214 DO(ip6s_fragtimeout, 7, 0); 215 DO(ip6s_rawout, 7, 35); 216 DO(ip6s_fragoverflow, 8, 0); 217 DO(ip6s_reassembled, 9, 0); 218 DO(ip6s_forward, 10, 0); 219 DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35); 220 DO(ip6s_cantforward, 11, 0); 221 DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35); 222 DO(ip6s_redirectsent, 12, 0); 223 DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35); 224 DO(ip6s_badoptions, 13, 0); 225 DO(ip6s_nxthist[IPPROTO_TCP], 13, 35); 226 DO(ip6s_notmember, 14, 0); 227 DO(ip6s_nxthist[IPPROTO_UDP], 14, 35); 228 DO(ip6s_delivered, 15, 0); 229 DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35); 230 DO(ip6s_badscope, 16, 0); 231 DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35); 232 DO(ip6s_sources_none, 17, 0); 233 DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35); 234 DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35); 235 DO(ip6s_nxthist[IPPROTO_NONE], 19, 35); 236 #undef DO 237 } 238 239 int 240 initip6(void) 241 { 242 size_t len; 243 int name[4]; 244 245 name[0] = CTL_NET; 246 name[1] = PF_INET6; 247 name[2] = IPPROTO_IPV6; 248 name[3] = IPV6CTL_STATS; 249 250 len = 0; 251 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 252 error("sysctl getting ip6stat size failed"); 253 return 0; 254 } 255 if (len > sizeof curstat) { 256 error("ip6stat structure has grown--recompile systat!"); 257 return 0; 258 } 259 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 260 error("sysctl getting ip6stat failed"); 261 return 0; 262 } 263 oldstat = initstat; 264 return 1; 265 } 266 267 void 268 resetip6(void) 269 { 270 size_t len; 271 int name[4]; 272 273 name[0] = CTL_NET; 274 name[1] = PF_INET6; 275 name[2] = IPPROTO_IPV6; 276 name[3] = IPV6CTL_STATS; 277 278 len = sizeof initstat; 279 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 280 error("sysctl getting ipstat failed"); 281 } 282 283 oldstat = initstat; 284 } 285 286 void 287 fetchip6(void) 288 { 289 int name[4]; 290 size_t len; 291 292 oldstat = curstat; 293 name[0] = CTL_NET; 294 name[1] = PF_INET6; 295 name[2] = IPPROTO_IPV6; 296 name[3] = IPV6CTL_STATS; 297 len = sizeof curstat; 298 299 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0) 300 return; 301 } 302 303 #endif 304